GitLab

The flag still had the old "HTTPBadPhase3" trial name, which was causing
a DCHECK failure due to the conflict between the old field trial name
and the new "HTTPReallyBadFinal" field trial name.

Change-Id: I563ec74b1005aa360168d3ee918fdd3be5252d56
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1500024Reviewed-by: Emily Stark <estark@chromium.org>
Commit-Queue: Christopher Thompson <cthomp@chromium.org>
Cr-Commit-Position: refs/heads/master@{#638017}